Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    8.567199E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T02:57:27+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53221
    NORAD ID 53221
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66306
    NORAD ID 66306
    Object Type UNKNOWN
    Country
    TBD TBD

    Conjunction Constraints

    Parameter STARLINK-4377 OBJECT P
    Time of Closest Approach 2026-10-21T07:17:53+0000
    Collision Probability (Pc) 8.567199E-6
    Conjunction Distance (km) 1.384 km
    Relative Speed (km/s) 14.294 km/s
    Conjunction Risk Parameters R (Radial): -0.174 | I (In-track): -0.491 | C (Cross-track): -1.281
    Collision Risk Index (CRI) 0.54
    X Position (km) -6289.995 -6289.417
    Position Y (km) 924.146 925.276
    Position Z (km) 2532.518 2533.069
    Velocity X (km/s) -2.628 1.001
    Velocity Y (km/s) 1.439 -5.982
    Velocity Z (km/s) -7.022 4.643

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4377 OBJECT P
    Semimajor Axis (a) 6843.710 km 6850.881 km
    Eccentricity (e) 0.000095 0.000792
    Inclination (i) 97.2843° 45.4014°
    RAAN 346.5704° 160.9589°
    Perigee Argument 97.4028° 56.1652°
    Mean Anomaly (M) 262.7323° 303.9991°
    Apogee 466.224 km 478.168 km
    Perigee 464.922 km 467.320 km
    Orbit Epoch 2026-10-19T02:55:46+0000 2026-10-19T00:21:18+0000

    STARLINK-4377 & OBJECT P Collision Probability (Pc) Trend

    STARLINK-4377 & OBJECT P Collision Probability (Pc) TrendNot Available

    STARLINK-4377 & OBJECT P Miss Distance (Miss Distance) Trend

    STARLINK-4377 & OBJECT P Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4377Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT PMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4377Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT PCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4377

    No nearby objects data